/Engine/Source/Runtime/Engine/Public/CanvasTypes.h
Constructor. For situations where a world is not available, but time information is
FCanvas ( [FRenderTarget](API\Runtime\Engine\FRenderTarget) * InRenderTarget, [FHitProxyConsumer](API\Runtime\Engine\FHitProxyConsumer) * InHitProxyConsumer, const [FGameTime](API\Runtime\Engine\FGameTime) & Time, [ERHIFeatureLevel::Type](API\Runtime\RHI\ERHIFeatureLevel__Type) InFeatureLevel, float InDPIScale )